Update README

Author: epsilonrt

README.md

@@ -1,8 +1,18 @@
-Modbus Library for Arduino
-==========================
+# Modbus Library for Arduino
+Allows your Arduino to communicate via Modbus protocol
 
-This library allows your Arduino to communicate via Modbus protocol. The Modbus is a master-slave protocol
-used in industrial automation and can be used in other areas, such as home automation.
+[![GitHub release (latest by date including pre-releases)](https://img.shields.io/github/v/release/epsilonrt/modbus-arduino?include_prereleases)](https://github.com/epsilonrt/modbus-arduino/releases) 
+[![Framework](https://img.shields.io/badge/Framework-Arduino-blue)](https://www.arduino.cc/)
+
+[![PlatformIO Registry](https://badges.registry.platformio.org/packages/epsilonrt/library/modbus-arduino.svg)](https://registry.platformio.org/libraries/epsilonrt/modbus-arduino) 
+[![Platform ATMELAVR](https://img.shields.io/badge/Platform-AtmelAVR-blue)](#)
+[![Platform ATMELSAM](https://img.shields.io/badge/Platform-AtmelSAM-blue)](#)
+[![Platform ESP8266](https://img.shields.io/badge/Platform-Espressif8266-orange)](#)
+[![Platform ESP32](https://img.shields.io/badge/Platform-Espressif32-orange)](#)
+
+---
+
+The Modbus is a master-slave protocol used in industrial automation and can be used in other areas, such as home automation.
 
 The Modbus generally uses serial RS-232 or RS-485 as physical layer (then called Modbus Serial) and
 TCP/IP via Ethernet or WiFi (Modbus TCP).